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REVIEW ARTICLES: Mechanics of Compression Failure in Composites

Model for the Micro-Buckling/Micro-Kinking Compressive Response of Fiber-Reinforced Composites

[+] Author and Article Information
Ilsup Chung, Y. Jack Weitsman

Department of Engineering Science and Mechanics, University of Tennessee, 307 Perkins Hall, Knoxville TN 37996-2030

Appl. Mech. Rev 47(6S), S256-S261 (Jun 01, 1994) doi:10.1115/1.3124419 History: Online April 29, 2009

Abstract

This article focuses on the effects that non-uniform fiber spacings have on the compressive response of composites. The above type of imperfection is included in a model which incorporates initial fiber misalignments and accounts for non-linear shear response of the matrix and shear-deformable fibers. It is shown that the disparate response of fibers embedded within matrix layers of different thicknesses results in reduced levels of compressive strengths and leads to failure modes which contain discontinuities in the fiber shear strains.

Copyright © 1994 by American Society of Mechanical Engineers
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